hadoop安装:
1、到官网下载hadoop-x.x.x.tar.gz,不要下成src的了,wget (http://网址);
2、tar -zxf 源目录 -C 解压目录
3、在local目录下赋权:chown -R hadoop:hadoop ./hadoop
4、检查是否安装好:./bin/hadoop version
SSH安装:
下载更新:
yum install openssh-server;
登入本机:
ssh localhost
cd .ssh
ssh-keygen -t rsa
cat ./id_rsa.pub >> ./authorized_keys
检查是否安装好:ssh localhost